Ramírez is a Spanish-language patronymic surname of Germanic origin, meaning "son of Ramiro".

[1] Its correct spelling in Spanish is with an acute accent on the i, which is often omitted in English writing.

It is the 28th most common surname in Spain.

As of 2014, 40.1% of all known bearers of the surname Ramírez were residents of Mexico (frequency 1:62), 10.2% of Colombia (1:95), 8.3% of the United States (1:874), 5.4% of Venezuela (1:112), 5.3% of Guatemala (1:61), 4.3% of Peru (1:149), 3.6% of Argentina (1:239), 2.8% of Spain (1:336), 2.7% of the Philippines (1:768), 2.6% of the Dominican Republic (1:79), 2.1% of Chile (1:169), 2.0% of El Salvador (1:65), 1.9% of Cuba (1:123), 1.7% of Honduras (1:105), 1.7% of Paraguay (1:88), 1.3% of Costa Rica (1:72) and 1.2% of Ecuador (1:273).

In Spain, the frequency of the surname was higher than average (1:336) in the following regions: In Guatemala, the frequency of the surname was higher than average (1:61) in the following departments: In Mexico, the frequency of the surname was higher than national average (1:62) in the following states:[2]